[  118.304568] btrfs: device fsid 0e76c74f-b96a-402d-a9d7-072cb3647aea devid 1 transid 4 /dev/loop0
[  118.308386] btrfs: device fsid 0e76c74f-b96a-402d-a9d7-072cb3647aea devid 1 transid 4 /dev/loop0
[  118.308578] btrfs: disk space caching is enabled
[  118.308581] btrfs flagging fs with big metadata feature
[  118.309346] btrfs: creating UUID tree
[  118.398902] btrfs: device fsid 0e76c74f-b96a-402d-a9d7-072cb3647aea devid 1 transid 5 /dev/loop0
[  118.928087] btrfs: device fsid c2e7c201-9018-42d8-9856-05fe9dbb1171 devid 1 transid 3 /dev/loop0
[  118.934937] btrfs: device fsid c2e7c201-9018-42d8-9856-05fe9dbb1171 devid 1 transid 4 /dev/loop0
[  119.038290] btrfs: device fsid c2e7c201-9018-42d8-9856-05fe9dbb1171 devid 1 transid 4 /dev/loop0
[  119.039599] btrfs: device fsid c2e7c201-9018-42d8-9856-05fe9dbb1171 devid 1 transid 4 /dev/loop0
[  119.040166] btrfs: disk space caching is enabled
[  119.040170] btrfs flagging fs with big metadata feature
[  119.043143] btrfs: creating UUID tree
[  119.044197] btrfs: device fsid c2e7c201-9018-42d8-9856-05fe9dbb1171 devid 1 transid 4 /dev/loop0
[  119.696070] Test 2b863a135f22f242ba4fc669f3a6b2f6c826832c returned 0